Document the 'Snap.Util.Proxy' module.
Document the 'Snap.Util.GZip' module.
Whitespace.
Document the 'Snap.Util.FileServe' module.
Document the 'Snap.Util.FileUploads' module.
Merge pull request #208 from 23Skidoo/document-snap-util

Document 'Snap.Util.*'